Stens 265-398 OEM Replacement Belt for Ferris 5103390YP Replaces: Ferris: 5103390, 5103390YP, 5103870 Snapper Pro: 5103390, 5103390YP, 5103870 Fits Ferris: IS3100Z and IS4500Z series with 61" deck Snapper Pro: S200X zero-turn with 61" deck Belt Application: Deck/Drive Belt Type: Covered Width: 5/8" Length: 172 3/4" Packaging Type: Branded sleeve